From 7daea16d61e35366d5b77c5e54edc1df38721932 Mon Sep 17 00:00:00 2001
From: jsy1218 <91580504+jsy1218@users.noreply.github.com>
Date: Mon, 11 Mar 2024 13:28:45 -0700
Subject: [PATCH 1/2] v1.8.1

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 9e97e40..f47528a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@uniswap/universal-router-sdk",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "description": "sdk for integrating with the Universal Router contracts",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",

From dfa5bc8e0be581fce84e47a42b28dc65840f7e2e Mon Sep 17 00:00:00 2001
From: jsy1218 <91580504+jsy1218@users.noreply.github.com>
Date: Mon, 11 Mar 2024 13:29:46 -0700
Subject: [PATCH 2/2] add blast ur address

---
 src/utils/constants.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/utils/constants.ts b/src/utils/constants.ts
index f868e96..ee20415 100644
--- a/src/utils/constants.ts
+++ b/src/utils/constants.ts
@@ -99,6 +99,11 @@ const CHAIN_CONFIGS: { [key: number]: ChainConfig } = {
     weth: '0x4200000000000000000000000000000000000006',
     creationBlock: 9107268,
   },
+  [81457]: {
+    router: '0xe463635f6e73C1E595554C3ae216472D0fb929a9',
+    weth: '0x4300000000000000000000000000000000000004',
+    creationBlock: 401447,
+  },
 }
 
 export const UNIVERSAL_ROUTER_ADDRESS = (chainId: number): string => {